package com.wyw.design.model.learning.behavioral.emptyobject;

/**
 * @Title   抽象商品类
 * @Description
 * @Author Mr Wu yewen.wu.china@gmail.com
 * @Date 2023/4/19 15:37
 * Update History:
 * Author        Time            Content
 */
public abstract class AbstractGoods {
    public String isbn; // 商品编码
    public String name;
    public Double price;

    public abstract void show();
}


